1230343423 has 4 divisors (see below), whose sum is σ = 1295098360. Its totient is φ = 1165588488.

The previous prime is 1230343409. The next prime is 1230343427. The reversal of 1230343423 is 3243430321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230343423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230343427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32377440 + ... + 32377477.

It is an arithmetic number, because the mean of its divisors is an integer number (323774590).

Almost surely, 2^1230343423 is an apocalyptic number.

1230343423 is a deficient number, since it is larger than the sum of its proper divisors (64754937).

1230343423 is an equidigital number, since it uses as much as digits as its factorization.

1230343423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64754936.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 1230343423 is about 35076.2515528669. The cubic root of 1230343423 is about 1071.5409779117.

Adding to 1230343423 its reverse (3243430321), we get a palindrome (4473773744).

The spelling of 1230343423 in words is "one billion, two hundred thirty million, three hundred forty-three thousand, four hundred twenty-three".